A	B	C	D	E	F	G
H	I	J	K	L	M	N
O	P	Q	R	S	T	U
V	W	X	Y	Z	All

Alberta
British Columbia
Manitoba
New Brunswick
Newfoundland
Nova Scotia
Ontario
P.E.I.
Quebec
Saskatchewan
Territories

Firsts
Inventions

Aviation
Business
Crime
Journalism
Law & Politics
Literature
Maritime
Medicine
Military
Music
Science
Sports
Stage & Screen

Aboriginal People
Women

All-American Girls Professional Baseball League

       

About  |  Contact

11 April:
(under construction)

Canadian Books & Authors

George H. Cluthe

The owner of Cluthe Manufacturing Co. in Waterloo, Ontario invented the interchangeable head screwdriver. He patented the design in 1965.

See other inventors.

See all mini profiles.